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Photography        March 23, 2017        Feldspar

NMIC Mineral Report        January 21, 2020        Feldspar of 2016 (PDF)

NMIC Mineral Report        January 21, 2020        Feldspar of 2016 (XLSX)

NMIC Mineral Report        June 8, 2021        Feldspar in 2018, tables-only release

NMIC Mineral Report        June 3, 2020        Feldspar and Nepheline Syenite in 2017 (PDF)

NMIC Mineral Report        June 3, 2020        Feldspar and Nepheline Syenite in 2017 (XLSX)

NMIC Mineral Report        November 21, 2019        Feldspar in 2017, tables-only release

Photography        June 17, 2017        Potassium feldspar phenocrysts in syenite

General        June 8, 2021        Feldspar Statistics and Information

Data Release        December 13, 2023        U-Pb detrital zircon data and Ar feldspar data from middle Cenozoic sandstones and volcanic tuffs from southern Nevada, USA

publication        January 1, 2004        Mineral resource of the month: feldspar

publication        January 1, 2011        Mineral resource of the month: feldspar

Data Release        June 13, 2023        Abiotic sorption of glucose, glutamic acid, hydroxybenzoic acid, and oxalic acid onto amorphous aluminum hydroxide, feldspar, ferrihydrite, and kaolinite

publication        January 1, 1998        Feldspars as a source of nutrients for microorganisms

publication        January 1, 2016        Regional and local correlations of feldspar geochemistry of the Peach Spring Tuff, Alvord Mountain, California

publication        May 1, 1973        Boron-bearing potassium feldspar of authigenic origin in closed-basin deposits

publication        January 1, 2003        Visible/near-infrared spectra of experimentally shocked plagioclase feldspars

Data Release        September 21, 2018        Oxide and Cation Compositions of Feldspar Grains from Drill Core of the Duluth Complex, Minnesota

publication        January 1, 2009        Feldspar dissolution rates in the Topopah Spring Tuff, Yucca Mountain, Nevada

publication        January 1, 1985        Authigenic potassium feldspar in Cambrian carbonates: Evidence of Alleghanian brine migration

publication        January 1, 2001        Differential rates of feldspar weathering in granitic regoliths

publication        January 1, 1987        APPLICATIONS OF CATHODOLUMINESCENCE OF QUARTZ AND FELDSPAR TO SEDIMENTARY PETROLOGY.

publication        January 1, 1996        Authigenic feldspar as an indicator of paleo-rock/water interactions in Permian carbonates of the Northern Calcareous Alps, Austria

publication        December 31, 1974        Buddingtonite, ammonium feldspar, in the Phosphoria Formation, southeastern Idaho

publication        August 1, 1999        Feldspar

publication        January 1, 1969        Formation of halloysite from feldspar: Low temperature, artificial weathering versus natural weathering

staff profileJames "JJ" Barry

publication        January 1, 1998        A model that helps explain Sr-isotope disequilibrium between feldspar phenocrysts and melt in large-volume silicic magma systems

publication        December 31, 1959        K-feldspar content of Jurassic and Cretaceous graywackes of northern Coast Ranges and Sacramento Valley, California

publication        January 1, 2003        Thermal infrared spectroscopy and modeling of experimentally shocked plagioclase feldspars

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